Re: [PATCH] x86/hyperv: Allow 15-bit APIC IDs for VTL platforms

2024-01-14 Thread Saurabh Singh Sengar
On Wed, Jan 10, 2024 at 05:10:47AM +, Michael Kelley wrote: > From: Saurabh Sengar Sent: Friday, January 5, > 2024 2:29 AM > > > > The current method for signaling the compatibility of a Hyper-V host > > with MSIs featuring 15-bit APIC IDs relies on a synthetic cpuid leaf. > > However, for h

RE: [PATCH] x86/hyperv: Allow 15-bit APIC IDs for VTL platforms

2024-01-09 Thread Michael Kelley
From: Saurabh Sengar Sent: Friday, January 5, 2024 2:29 AM > > The current method for signaling the compatibility of a Hyper-V host > with MSIs featuring 15-bit APIC IDs relies on a synthetic cpuid leaf. > However, for higher VTLs, this leaf is not reported, due to the absence > of an IO-APIC. >